EFCO's 8750XD Unitized Curtain Wall utilizes a thermal break design to provide outstanding thermal performance without sacrificing structural integrity. The 8750XD offers an industry leading U-Factor, which is not compromised when the 875X Wall Vent or if entrance doors are added.  The combination of popular system profiles, dry glazed or 2 & 4 sided SSG, and intergral vents, offers outstanding design and flexibility with fewer parts and pieces, simplifies fabrication and ease of installation.